The Build engine's source code isn't enough to port any game running on it, since Build was made as a library (I believe most developers using Build in the 90s didn't have access to the source code).
Also, wasn't there an official Blood port by Nightdive Studios?
smcl|3 years ago
edit: just looked it out, it seems this has been address. I'm linking the videos because they're entertaining :D
vid on the original: https://www.youtube.com/watch?v=EkG29e-nE-A
and the patched version: https://www.youtube.com/watch?v=oFUPNlfWiYg
z3phyr|3 years ago